Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
8293801
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
18921779329880391650.7old
916637952672575991756.32015-03-27 12:11:59
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-09-30rucio557CD7D813C23DE82196170753
Verified
PRP without proof (not generated)
2020-05-07Luigi Morelli557CD7D813C23DE82721823353
History
DateUserTypeResult
2024-04-07Stef42NF-PM1B1=976000, B2=2281600230
2020-05-07Luigi MorelliC-PRP
M8293801/1892177932988039/91663795267257599 : 557CD7D813C23DE8
2018-09-30rucioC-PRP
M8293801/1892177932988039/91663795267257599 : 557CD7D813C23DE8
2015-03-27TJAOIFFactor: 91663795267257599